On Thu, Jan 11, 2018 at 7:36 AM, Barkow, Eileen <ebar...@doitt.nyc.gov> wrote:
> __jobname(), __stepname() etc are not documented in the > XL C/C++ Runtime Library Reference Version 2 Release 2 SC14 > manual. Where are they documented? > Those are part of the C run-time for the _Dignus_ C compiler, not the IBM run-time. There is no equivalent for the z/OS (IBM) compiler. > > > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Thomas David Rivers > Sent: Thursday, January 11, 2018 8:19 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: C code to get running job name. > > John McKown wrote: > > >On Wed, Jan 10, 2018 at 11:19 AM, Thomas David Rivers <riv...@dignus.com> > >wrote: > > > > > > > >> > >>> > >>> > >>> > >>In Systems/C , this is simply: > >> > >> #include <machine/tiot.h> > >> #include <stdio.h> > >> > >> main() > >> { > >> printf("Job name is %s\n", __jobname()); > >> } > >> > >> > >> > >> > >That is a nice enhancement for the C language under z/OS. As a general > >rule, I _try_ to avoid any functions which start with one or two > >underscores. These are generally "reserved" for the implementer and so may > >not be available on a different compiler. The __jobname() is a nice > example > >of a reasonable extension for z/OS, or z/VSE. Another nice one might be > >__userid() to return the RACF id under which the process is running. > > > > > > > Hi John, > > > Yes - identifiers that begin with double-underscore are reserved > for the C implementation; that's why our implementation uses > those (to avoid conflicts.) > > Along with __jobname(), we have: > > __stepname() > __procname() > __get_cpuid() > __userid() > > which can make it very handy indeed. The Dignus C library > manual has more details. > > - Dave R. - > > -- > riv...@dignus.com Work: (919) 676-0847 > Get your mainframe programming tools at http://www.dignus.com > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > ________________________________ > > This e-mail, including any attachments, may be confidential, privileged or > otherwise legally protected. It is intended only for the addressee. If you > received this e-mail in error or from someone who was not authorized to > send it to you, do not disseminate, copy or otherwise use this e-mail or > its attachments. Please notify the sender immediately by reply e-mail and > delete the e-mail from your system. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- I have a theory that it's impossible to prove anything, but I can't prove it. Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
